replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/api/music_manager_private/music_manager_private_api.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MUSIC_MANAGER_PRIVATE_MUSIC_MANAGER_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MUSIC_MANAGER_PRIVATE_MUSIC_MANAGER_PRIVATE_API_H_
 
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
 namespace api {
 
 class MusicManagerPrivateGetDeviceIdFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("musicManagerPrivate.getDeviceId",
                              MUSICMANAGERPRIVATE_GETDEVICEID)
 
   MusicManagerPrivateGetDeviceIdFunction();
 
  protected:
   virtual ~MusicManagerPrivateGetDeviceIdFunction();
 
   // ExtensionFunction:
-  virtual bool RunAsync() OVERRIDE;
+  virtual bool RunAsync() override;
 
   void DeviceIdCallback(const std::string& device_id);
 };
 
 } // namespace api
 } // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MUSIC_MANAGER_PRIVATE_MUSIC_MANAGER_PRIVATE_API_H_